1 Tabel périodik
1.1 Symbol
1.2 Panggil Group
1.3 Panggil periode
1.4 Block
1.5 Family unsur
transisi Metal
alkalin bumi
1.6 CAS Number
74400537440144
7429905
54386242
1.7 Jeneng papan Group
1.8 Space Group Number
2 facts
2.1 Facts Interesting
Character length exceed error
- metal Radium punika logam abot saka Alkaline logam bumi asli.
- Radium logam punika Highly radioaktif lan ora duwe tengen mangiwa.
2.2 sumber
Ores logam
Mining, Ores logam
2.3 History
2.3.1 sing katutup
William Hyde Wollaston
Not Available
2.3.2 Discovery
2.4 turah mbrawah
2.4.1 Turah mbrawah Ing Universe
2 * 10-7 %ora Sumadhiya
5E-09
0.11
2.4.2 Turah mbrawah Ing Sun
~0.0000003 %~-9999 %
1E-08
0.1
2.4.3 Turah mbrawah Ing meteorit
0.00 %ora Sumadhiya
1.7E-07
22
2.4.4 Turah mbrawah Ing bumi lemah ndhuwur
2.4.5 Turah mbrawah Ing Segara
ora Sumadhiya0.00 %
2E-23
1.1
2.4.6 Turah mbrawah Ing Manungsa
ora Sumadhiya0.00 %
1E-13
1.4
3 ulah
3.1 Ulah lan Wuku
- Biasane Proteksi logam digunakake ing katalitik dinggo ngowahi. Ing industri elektronik kang digunakake ing kapasitor Keramik saka mobile lan komputer.
- Kang digunakake ing perhiasan lan fillings dental lan Koruna.
- Punika logam Highly radioaktif; lan arang-arang Radium-223 digunakake kanggo nambani kanker prostat.
- Kang digunakake ing cat cetha.
3.1.1 Ulah Industrial
Industry Aerospace, Industry automobile, Industry Elektronik
NA
3.1.2 Ulah Medical
Dentistry, Industry Pharmaceutical, Surgical Instruments Manufacturing
Industry Pharmaceutical
3.1.3 Ulah liyane
koin, bullion, Jewellery
NA
3.2 Properties biologi
3.2.1 keracunan
3.2.2 Saiki ing badan Human
3.2.3 Sang
ora Sumadhiyaora Sumadhiya
0
1970
3.2.4 ing Bone
ora Sumadhiyaora Sumadhiya
0
170000
4 fisik
4.1 leleh Point
1,554.90 ° C700.00 ° C
27
3410
4.2 Boiling Point
2,963.00 ° C1,737.00 ° C
147
5660
4.3 katon
4.3.1 State fisik
4.3.2 warna
4.3.3 luster
4.4 atose
4.4.1 Mohs atose
4.75ora Sumadhiya
0.2
8.5
4.4.2 Brinell atose
320.00 MPaora Sumadhiya
0.14
3490
4.4.3 Vickers atose
121.00 MPaora Sumadhiya
121
3430
4.5 Kacepetan swara
3,070.00 m / sora Sumadhiya
818
16200
4.6 Properties Optical
4.6.1 bias Index
1.72ora Sumadhiya
1.000933
1.7229
4.6.2 reflectivity
84.00 %ora Sumadhiya
58
97
4.7 allotropes
4.7.1 α allotropes
ora Sumadhiya
ora Sumadhiya
4.7.2 β allotropes
ora Sumadhiya
ora Sumadhiya
4.7.3 γ allotropes
ora Sumadhiya
ora Sumadhiya
5 Kimia
5.1 Formula Kimia
5.2 isotop
5.2.1 Isotop dikenal
5.3 keelektronegatifan
5.3.1 Pauling Elektronegativitas
5.3.2 Sanderson Elektronegativitas
ora Sumadhiyaora Sumadhiya
0.22
2.56
5.3.3 Allred Rochow Elektronegativitas
5.3.4 Mulliken-Jaffe Elektronegativitas
ora Sumadhiya0.92
0.62
2.48
5.3.5 Allen Elektronegativitas
5.4 Electropositivity
5.4.1 Pauling Electropositivity
5.5 tenogo ionisasi
5.5.1 Level Energy 1st
520.23 kJ / mol509.30 kJ / mol
375.7
26130
5.5.2 Level Energy 2
7,298.22 kJ / mol979.00 kJ / mol
710.2162
28750
5.5.3 Level Energy 3rd
11,815.13 kJ / molora Sumadhiya
1600
34230
5.5.4 Level Energy 4
ora Sumadhiyaora Sumadhiya
2780
37066
5.5.5 Level Energy 5th
ora Sumadhiyaora Sumadhiya
4305.2
97510
5.5.6 Level Energy 6th
ora Sumadhiyaora Sumadhiya
5715.8
105800
5.5.7 tingkat Energy 7
ora Sumadhiyaora Sumadhiya
7226.8
114300
5.5.8 Level Energy 8
ora Sumadhiyaora Sumadhiya
8857.4
125300
5.5.9 Level Energy 9
ora Sumadhiyaora Sumadhiya
14110
134700
5.5.10 Level Energy 10th
ora Sumadhiyaora Sumadhiya
17100
144300
5.5.11 Level Energy 11
ora Sumadhiyaora Sumadhiya
19900
169988
5.5.12 Level Energy 12
ora Sumadhiyaora Sumadhiya
22219
189368
5.5.13 Level Energy 13
ora Sumadhiyaora Sumadhiya
26930
76015
5.5.14 Level Energy 14
ora Sumadhiyaora Sumadhiya
29196
86450
5.5.15 Level Energy 15
ora Sumadhiyaora Sumadhiya
41987
97510
5.5.16 Level Energy 16
ora Sumadhiyaora Sumadhiya
47206
109480
5.5.17 Level Energy 17
ora Sumadhiyaora Sumadhiya
52737
122200
5.5.18 Level Energy 18
ora Sumadhiyaora Sumadhiya
58570
134810
5.5.19 Level Energy 19
ora Sumadhiyaora Sumadhiya
64702
148700
5.5.20 Level Energy 20
ora Sumadhiyaora Sumadhiya
80400
171200
5.5.21 Level Energy 21
ora Sumadhiyaora Sumadhiya
87000
179100
5.5.22 Level Energy 22
ora Sumadhiyaora Sumadhiya
93400
184900
5.5.23 Level Energy 23rd
ora Sumadhiyaora Sumadhiya
98420
198800
5.5.24 Level Energy 24
ora Sumadhiyaora Sumadhiya
104400
195200
5.5.25 Level Energy 25th
ora Sumadhiyaora Sumadhiya
121900
121900
5.5.26 Level Energy 26th
ora Sumadhiyaora Sumadhiya
127700
127700
5.5.27 Level Energy 27th
ora Sumadhiyaora Sumadhiya
133800
133800
5.5.28 Level Energy 28th
ora Sumadhiyaora Sumadhiya
139800
139800
5.5.29 Level Energy 29
ora Sumadhiyaora Sumadhiya
148100
148100
5.5.30 Level Energy 30
ora Sumadhiyaora Sumadhiya
154500
154500
5.6 padha karo elektrokimia
1.99 g / amp-day4.22 g / amp-day
0.16812
8.3209
5.7 Fungsi Work elektron
5.12 eVora Sumadhiya
2.14
5.65
5.8 Properties Kimia liyane
Kimia Stabilitas, Corrosion, ionisasi, kelarutan
ionisasi, Isotop radioaktif, Radioaktif
6 atom
6.1 Panggil atom
6.2 Konfigurasi elektron
6.3 Struktur Crystal
Face tengah kubik (FCC)
Body tengah kubik (Bcc)
6.3.1 Crystal pola
6.4 atom
6.4.1 Jumlah proton
6.4.2 Jumlah Neutron
6.4.3 Jumlah Èlèktron
6.5 Radius saka Atom
6.5.1 Radius atom
137.00 pmora Sumadhiya
112
265
6.5.2 kovalen Radius
139.00 pm221.00 pm
96
260
6.5.3 Van der Waals Radius
163.00 pm283.00 pm
139
348
6.6 Bobot atom
106.42 Amu226.00 Amu
6.94
294
6.7 Volume atom
8.90 cm3 / mol45.20 cm3 / mol
1.39
71.07
6.8 Nomer atom jejer
6.8.1 unsur Previous
6.8.2 Sabanjure unsur
6.9 Potensi Valence Electron
33.00 (-eV)20.10 (-eV)
8
392.42
6.10 Constant pola
389.07 pm514.80 pm
228.58
891.25
6.11 pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
6.12 Pola C / A rasio
ora Sumadhiyaora Sumadhiya
1.567
1.886
7 Teknik
7.1 Kapadhetan
7.1.1 Kapadhetan Ing suhu kamar
12.02 g / cm 35.50 g / cm 3
0.534
40.7
7.1.2 Kapadhetan Nalika Liquid (ing mp)
10.38 g / cm3ora Sumadhiya
0.512
20
7.2 Strength tensile
ora Sumadhiyaora Sumadhiya
2.5
11000
7.3 viskositas
ora Sumadhiyaora Sumadhiya
0.001526
0.001526
7.4 meksa beluk
7.4.1 Meksa beluk ing 1000 K
0.00 (Pa)ora Sumadhiya
2.47E-11
121
7.4.2 Meksa beluk ing 2000 K
0.00 (Pa)ora Sumadhiya
2.62E-10
774
7.5 situs kelenturan
7.5.1 nyukur pengaturan
44.00 GPAora Sumadhiya
1.3
222
7.5.2 pengaturan akeh
180.00 GPAora Sumadhiya
1.6
462
7.5.3 Young kang pengaturan
121.00 GPAora Sumadhiya
1.7
528
7.6 Poisson rasio
0.39ora Sumadhiya
0.032
0.47
7.7 Properties Teknik liyane
ductile, malleable, Weldable
NA
8 Magnetic
8.1 Ciri Magnetic
8.1.1 Gravitasi tartamtu
8.1.2 Nindakake Magnetic
8.1.3 permeabilitas
ora Sumadhiyaora Sumadhiya
1.25643E-06
0.0063
8.1.4 kelemahan
ora Sumadhiyaora Sumadhiya
-0.000166
200000
8.2 Properties Listrik
8.2.1 Property Listrik
8.2.2 resistivity
105.40 nΩ · m100.00 nΩ · m
0.18
961
8.2.3 konduktivitas listrik
0.10 10 6 / cm Ωora Sumadhiya
0.00666
0.63
8.2.4 elektron Affinity
54.23 kJ / molora Sumadhiya
0
222.8
9 termal
9.1 Kalor tartamtu
0.24 J / (kg K)0.12 J / (kg K)
0.11
3.6
9.2 Graham Kapasitas kalor
25.98 J / mol · Kora Sumadhiya
16.443
62.7
9.3 doyo termal
71.80 W / m · K18.60 W / m · K
6.3
429
9.4 suhu kritis
ora Sumadhiyaora Sumadhiya
26.3
3223
9.5 Expansion termal
11.80 μm / (m · K)ora Sumadhiya
4.5
97
9.6 enthalpy
9.6.1 Enthalpy panguapan
376.60 kJ / molora Sumadhiya
7.32
799.1
9.6.2 Enthalpy saka Fusion
16.74 kJ / molora Sumadhiya
2.1
35.23
9.6.3 Enthalpy saka atomization
393.30 kJ / mol163.00 kJ / mol
61.5
837
9.7 Standard molar Entropy
37.60 J / mol.K71.00 J / mol.K
9.5
198.1